“Millennials,” people aged roughly 18-32, are an odd thing (Firefox’s spellcheck doesn’t even recognize the word): As The Washington Post noted last week [http://www.washingtonpost.com/local/millennials-consider-leaving-washington-as-the-city-becomes-more-costly/2014/06/16/825e4308-eb67-11e3-9f5c-9075d5508f0a_story.html] , they want to live in hip, urban environments, but as soon as they